8554216 has 24 divisors (see below), whose sum is σ = 17631810. Its totient is φ = 3887840.

The previous prime is 8554193. The next prime is 8554223. The reversal of 8554216 is 6124558.

It can be written as a sum of positive squares in only one way, i.e., 4368100 + 4186116 = 2090^2 + 2046^2 .

It is a super-2 number, since 2×8554216² = 146349222749312, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3451 + ... + 5386.

Almost surely, 2^8554216 is an apocalyptic number.

It is an amenable number.

8554216 is an abundant number, since it is smaller than the sum of its proper divisors (9077594).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8554216 is a wasteful number, since it uses less digits than its factorization.

8554216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8865 (or 8850 counting only the distinct ones).

The product of its digits is 9600, while the sum is 31.

The square root of 8554216 is about 2924.7591353819. The cubic root of 8554216 is about 204.5157397673.

It can be divided in two parts, 85542 and 16, that added together give a palindrome (85558).

The spelling of 8554216 in words is "eight million, five hundred fifty-four thousand, two hundred sixteen".